Foreman, Velma M. 1974. Grammar of Yessan-Mayo. (Language Data: Asian-Pacific Series, 4.) Santa Ana: Summer Institute of Linguistics. iv+304pp.
@book{gForemanYessan, author = {Foreman, Velma M.}, pages = {iv+304}, publisher = {Santa Ana: Summer Institute of Linguistics}, series = {Language Data: Asian-Pacific Series}, title = {Grammar of Yessan-Mayo}, volume = {4}, year = {1974} }